5.5 Connecting the OTT SVR 100 to the data logger
䡵
Connect the OTT SVR 100 to an SDI-12 input on the data logger. Refer to the
data logger manual for more details. Refer to Figure 12 for the OTT SVR 100
terminal assignment. The maximum cable length is 1000 m. Recommended
wire cross-section: see Chapter 5.3.
The SDI-12 commands that can be used with the OTT SVR 100 can be found in
Chapter 6,
SDI-12-commands and responses
.
5.6 Information on using the RS-485 interface
The RS-485 interface with SDI-12 protocol is designed and tested for use with OTT
and Sutron data loggers. For details of connecting the OTT SVR 100 to OTT netDL
via the RS-485 interface
➝
see Appendix A.
OTT is unable to guarantee proper functioning if you connect the OTT SVR 100 to
a data logger from a third-party manufacturer via the RS-485 interface with
SDI-12 protocol!
Fig. 12: Wire assignment
in connecting cable (12-wire).
The RS-232 interface is provided
for service purposes.
The unused wires (pink, blue, red, black,
purple) must be isolated from one another.
Otherwise, there is a risk of malfunctions.
Connecting cable
white GND
brown +9 … +27 V
DC
grey Signal GND
green RS-232 TxD
yellow RS-232 RxD
violet RS-485 D+ (B)
orange RS-485 D– (A)
no
t u
se
d
16
Summary of Contents for SVR 100
Page 1: ...English Operating Instructions Surface Velocity Radar OTT SVR 100...
Page 2: ...We reserve the right to make technical improvements...
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